S&W M&P10 - From Stock to Not

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Gabriel42

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I found that after I posted last night. I am so used to not paying retail for stuff but free shipping kinda offsets that. Pretty sure the last one I bout was $78-ish plus tax.

BTW, what was the post that BB deleted in the new Dept of Ag/Subgun thread. I am to curious for my own good.
 

Gabriel42

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henschman

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You might make sure the rifle runs right in factory trim before doing the mods. I just got an M&P10 and it is under-gassed... it never locks back on empty and has frequent bolt-over malfs. From what I have read, this issue is common for M&Ps. I am probably going to have to end up drilling out the gas port.
 

Gabriel42

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You might make sure the rifle runs right in factory trim before doing the mods. I just got an M&P10 and it is under-gassed... it never locks back on empty and has frequent bolt-over malfs. From what I have read, this issue is common for M&Ps. I am probably going to have to end up drilling out the gas port.

I am already prepared to do that. Have the measurement of the gas port somewhere and it is on the low side of measurements. Since I am cutting down the barrel, running it suppressed, (both of which generally overgas a gun) and using an adjustable gas block, I figure that I might as well go balls deep right off the bat. It won't take much pull the rail and block and open the port.
 

Gabriel42

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What do you like about the SLR over the Micromoa? I hadn't seen it before.

For some reason I can't shake the thought that the spring that keeps pressure on the notch in the plate may decide to self-evacuate. I like the design/concept but that'll be in the back of my head everytime I go to the range, class, hunt, etc.

The SLR is supposed to have a positive click adjustment which would allow for repeatability when switching from suppressed to unsuppressed or between ammo. Should be able to find a baseline running suppressed and then make note of how many clicks and direction for unsuppressed. Same thing for ammo.

If it sucks, you'll see it in the classifieds soon.
 

Gabriel42

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You might make sure the rifle runs right in factory trim before doing the mods. I just got an M&P10 and it is under-gassed... it never locks back on empty and has frequent bolt-over malfs. From what I have read, this issue is common for M&Ps. I am probably going to have to end up drilling out the gas port.

My gas port measurement: .068"

I'll be interested to see what the final product looks like.

Me too!
 

ASP785

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I agree there is some worry about the spring. I just like the idea of the two position suppressed / unsupressed. The metering screw on the SLR worries me from an erosion standpoint. I don't think either option is exactly what I am looking for: 308 Switchblock. I think I am going to give the Govnah a try and then we'll compare notes.
 
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